publication . Article . 2006

Single-particle levitation system for automated study of homogeneous solute nucleation

Adam P. Olsen; Richard C. Flagan; Julia A. Kornfield;
Open Access
  • Published: 01 Jan 2006
  • Country: United States
We present an instrument that addresses two critical requirements for quantitative measurements of the homogeneous crystal nucleation rate in supersaturated aqueous solution. First, the need to perform repeated measurements of nucleation incubation times is met by automating experiments to enable programmable cycling of thermodynamic conditions. Second, the need for precise and robust control of the chemical potential in supersaturated aqueous solution is met by implementing a novel technique for regulating relative humidity. The apparatus levitates and weighs micron-sized samples in an electric field, providing access to highly supersaturated states. We report ...
free text keywords: Caltech Library Services, Instrumentation, Aqueous solution, Drop (liquid), Supersaturation, Nucleation, Particle, Thermodynamics, Relative humidity, Electric field, Levitation, Materials science
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